CN113336087A - Hoisting tool for bridge transverse wet joint template and template installation method - Google Patents
Hoisting tool for bridge transverse wet joint template and template installation method Download PDFInfo
- Publication number
- CN113336087A CN113336087A CN202110598576.2A CN202110598576A CN113336087A CN 113336087 A CN113336087 A CN 113336087A CN 202110598576 A CN202110598576 A CN 202110598576A CN 113336087 A CN113336087 A CN 113336087A
- Authority
- CN
- China
- Prior art keywords
- hoisting
- lifting
- screw rod
- wet joint
- template
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000009434 installation Methods 0.000 title abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000009415 formwork Methods 0.000 claims description 11
- 239000004567 concrete Substances 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a hoisting tool for a bridge transverse wet joint template and a template installation method, wherein the hoisting tool comprises: the front side of the bottom of the hoisting frame is provided with a travelling wheel, and a supporting leg at the rear side of the bottom of the hoisting frame extends downwards and is flush with the bottom of the travelling wheel; the hoisting hoist is arranged on the hoisting frame, and the free end of a hoisting rope in the hoisting hoist is provided with a lifting hook; the lifting screw rod is detachably provided with a lifting nut at the top, the lifting nut is provided with a lifting ring, the lifting ring can be hooked on a lifting hook, and the lifting screw rod is spirally connected with a fixing nut; the positioning steel pipe can be arranged above the wet joint in a spanning mode and can be fastened on the hoisting screw rod through butterfly buckles; and the positioning sleeve can be covered on the periphery of the hoisting screw rod. According to the invention, the lifting frame is moved through the travelling wheels, so that the mounting speed of the template is increased, the time is saved and the economic benefit is improved.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a hoisting tool for a bridge transverse wet joint template and a template installation method.
Background
In bridge construction, a bridge girder is constructed by assembling a plurality of prestressed concrete beams prefabricated in blocks into a long-span continuous beam by a bridge girder erection machine or a crane, and concrete is cast between the beam bodies to connect the beam bodies into a whole, wherein a joint between the beam bodies is a wet joint of the bridge.
At present, rely on the manual work to draw rope hoist and mount template in the wet seam construction of bridge more, then place the template in predetermineeing the position, this kind of hoist and mount mode intensity of labour is big, the efficiency of construction is low, and the form setting is insecure moreover, influences construction quality.
Disclosure of Invention
In order to solve the problems, an intelligent unlocking system and an unlocking method which are simple to operate and high in safety performance are provided.
The specific technical scheme is as follows:
a hoisting tool for a bridge transverse wet joint formwork is characterized by comprising:
the front side of the bottom of the hoisting frame is provided with a travelling wheel, and a supporting leg at the rear side of the bottom of the hoisting frame extends downwards and is flush with the bottom of the travelling wheel;
the hoisting hoist is arranged on the hoisting frame, and the free end of a hoisting rope in the hoisting hoist is provided with a lifting hook;
the lifting screw rod is detachably provided with a lifting nut at the top, the lifting nut is provided with a lifting ring, the lifting ring can be hooked on a lifting hook, and the lifting screw rod is spirally connected with a fixing nut;
the positioning steel pipe can be arranged above the wet joint in a spanning mode and can be fastened on the hoisting screw rod through butterfly buckles; and
and the positioning sleeve can be covered on the periphery of the hoisting screw rod.
The hoisting tool for the bridge transverse wet joint formwork is further characterized in that a transition handrail is further mounted on the hoisting frame.
The hoisting tool for the bridge transverse wet joint formwork is further characterized in that the hoisting nut is spirally connected to the top of the hoisting screw rod.
The hoisting tool for the transverse wet joint formwork of the bridge is further characterized in that the positioning steel pipe is arranged above the wet joint of the beam body in a spanning mode through the battens placed on the beam body.
The hoisting tool for the bridge transverse wet joint formwork is further characterized in that the positioning sleeve is a plastic pipe.
The method for installing the bridge transverse wet joint formwork by using the hoisting tool is characterized by comprising the following steps of:
1) the hoisting tool is spanned at the wet joint of the two beam bodies by using the travelling wheels;
2) punching a hole on a template to be lifted, penetrating a hoisting screw rod through the hole, fastening the template on the hoisting screw rod by using a fixing nut, then sleeving a positioning sleeve on the hoisting screw rod, and installing the hoisting nut on the hoisting screw rod;
3) hooking the lifting hook on a lifting ring on a lifting nut, and starting an electric hoist to lift the template to the wet joint;
4) placing a positioning steel pipe above the wet joint of the beam body, taking down a hoisting nut, tensioning a hoisting screw rod by using a butterfly buckle, and then clamping the butterfly buckle on the positioning steel pipe;
5) and pouring wet joint concrete, taking down the butterfly buckle after the concrete strength meets the requirement, and then drawing out the hoisting screw rod and the template from the bottom of the positioning sleeve.
The beneficial effect of above-mentioned scheme is:
1) according to the invention, the lifting frame is moved through the travelling wheels, so that the mounting speed of the template is increased, the time is saved and the economic benefit is improved;
2) according to the invention, the template is lifted by utilizing the lifting function of the electric hoist for lifting, so that the working strength of workers is reduced, and the safety of the installation process is improved;
3) the sleeve is sleeved on the periphery of the hoisting screw rod to prevent concrete from being fixedly connected with the hoisting screw rod, so that the hoisting screw rod is convenient to rapidly remove a mold and recycle.
Drawings
Fig. 1 is a schematic structural view of a lifting tool provided in an embodiment of the present invention;
fig. 2 is a schematic illustration of a hoist provided in an embodiment of the present invention;
figure 3 is a schematic view of the use of the lifting tool provided in an embodiment of the invention.
In the drawings: 1. a hoisting frame; 2. a traveling wheel; 3. a support leg; 4. hoisting a hoist; 5. hoisting a rope; 6. hoisting a screw rod; 7. hoisting a nut; 8. positioning the steel pipe; 9. a butterfly buckle; 10. positioning the sleeve; 11. transition handrails; 12. wood block; 13. and (5) template.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1 to 3, the hoisting tool provided in the embodiment of the present invention includes a hoisting frame 1, a traveling wheel 2 is installed on the front side of the bottom of the hoisting frame 1, and a leg 3 on the rear side of the bottom of the hoisting frame 1 extends downward and is flush with the bottom of the traveling wheel 2; the hoisting hoist 4 is arranged on the hoisting frame 1, and the free end of a hoisting rope 5 in the hoisting hoist 4 is provided with a lifting hook; the hoisting screw rod 6 is detachably provided with a hoisting nut 7 at the top of the hoisting screw rod 6, the hoisting nut 7 is provided with a hoisting ring, the hoisting ring can be hooked on a hoisting hook, and the hoisting screw rod 6 is spirally connected with a fixing nut; the positioning steel pipe 8 can be arranged above the wet joint in a spanning mode, and the positioning steel pipe 8 can be fastened on the hoisting screw rod 6 through a butterfly buckle 9; and the positioning sleeve 10, the positioning sleeve 10 can be covered on the periphery of the hoisting screw rod 6.
According to the invention, the lifting frame 1 is moved through the travelling wheels 2, so that the template mounting speed is accelerated, the time is saved and the economic benefit is improved.
According to the invention, the template 13 is lifted by utilizing the lifting function of the electric hoist for lifting, so that the working strength of workers is reduced, and the safety of the installation process is improved.
The use method of the hoisting tool comprises the following steps:
1) the hoisting tool is spanned at the wet joint of the two beam bodies by the travelling wheels 2;
2) punching a hole on a template 13 to be lifted, penetrating a hoisting screw rod 6 through the hole, fastening the template 13 on the hoisting screw rod 6 by using a fixing nut, then sleeving a positioning sleeve 10 on the hoisting screw rod 6, and installing a hoisting nut 7 on the hoisting screw rod 6;
3) hooking the lifting hook on a lifting ring on the lifting nut 7, and starting the electric hoist to lift the template 13 to the wet joint;
4) placing a positioning steel pipe 8 above a wet joint of a beam body, taking down a hoisting nut 7, tensioning a hoisting screw rod 6 by using a butterfly buckle 9, and then clamping the butterfly buckle 9 on the positioning steel pipe 8;
5) pouring wet joint concrete, taking down the butterfly buckle 9 after the concrete strength meets the requirement, and then drawing out the hoisting screw rod 6 and the template 13 from the bottom of the positioning sleeve 10.
In the invention, the sleeve 10 is sleeved on the periphery of the hoisting screw rod 6 to prevent concrete from being fixedly connected with the hoisting screw rod 6, so as to be beneficial to quick form removal and recycling of the hoisting screw rod.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a lifting device of horizontal wet joint template of bridge which characterized in that includes:
the lifting frame (1), wherein a traveling wheel (2) is installed on the front side of the bottom of the lifting frame (1), and a supporting leg (3) on the rear side of the bottom of the lifting frame (1) extends downwards and is flush with the bottom of the traveling wheel (2);
the hoisting device comprises a hoisting hoist (4), wherein the hoisting hoist (4) is arranged on the hoisting frame (1), and a lifting hook is arranged at the free end of a hoisting rope (5) in the hoisting hoist (4);
the lifting screw rod (6), a lifting nut (7) is detachably mounted at the top of the lifting screw rod (6), a lifting ring is mounted on the lifting nut (7), the lifting ring can be hooked on the lifting hook, and a fixing nut is spirally connected to the lifting screw rod (6);
the positioning steel pipe (8) can be arranged above the wet joint in a spanning mode, and the positioning steel pipe (8) can be fastened on the hoisting screw rod (6) through a butterfly buckle (9); and
the positioning sleeve (10) can be covered on the periphery of the hoisting screw rod (6).
2. The hoisting tool for the transverse wet joint formwork of the bridge according to claim 1, wherein a transition handrail (11) is further installed on the hoisting frame (1).
3. Hoisting tool for a transverse wet joint formwork for a bridge according to claim 1 or 2, characterized in that the hoisting nut (7) is screwed on top of the hoisting screw (6).
4. The hoisting tool for the transverse wet joint formwork of the bridge according to claim 1 or 2, wherein the positioning steel pipe (8) is spanned above the wet joint of the beam body through battens (12) resting on the beam body.
5. The hoisting tool for the transverse wet joint formwork of the bridge according to claim 1 or 2, wherein the positioning sleeve (10) is a plastic pipe.
6. A method for installing a transverse wet joint formwork of a bridge by using the hoisting tool of any one of claims 1 to 5, is characterized by comprising the following steps:
1) a hoisting tool is spanned at the wet joint of the two beam bodies by using the travelling wheels (2);
2) punching a hole in a template (13) to be lifted, passing a hoisting screw rod (6) through the hole, fastening the template (13) on the hoisting screw rod (6) by using a fixing nut, then sleeving a positioning sleeve (10) on the hoisting screw rod (6), and then installing a hoisting nut (7) on the hoisting screw rod (6);
3) hooking a lifting ring on the lifting nut (7) by using a lifting hook, and starting an electric hoist to lift the template (13) to a wet joint;
4) placing a positioning steel pipe (8) above a wet joint of a beam body, taking down a hoisting nut (7), tensioning the hoisting screw rod (6) by using a butterfly buckle (9), and then clamping the butterfly buckle (9) on the positioning steel pipe (8);
5) pouring wet joint concrete, taking down the butterfly buckle (9) after the concrete strength meets the requirement, and then drawing out the hoisting screw rod (6) and the template (13) from the bottom of the positioning sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110598576.2A CN113336087A (en) | 2021-05-31 | 2021-05-31 | Hoisting tool for bridge transverse wet joint template and template installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110598576.2A CN113336087A (en) | 2021-05-31 | 2021-05-31 | Hoisting tool for bridge transverse wet joint template and template installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113336087A true CN113336087A (en) | 2021-09-03 |
Family
ID=77472355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110598576.2A Pending CN113336087A (en) | 2021-05-31 | 2021-05-31 | Hoisting tool for bridge transverse wet joint template and template installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113336087A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203768803U (en) * | 2014-04-10 | 2014-08-13 | 中核华泰建设有限公司 | Bridge wet joint formwork lifting device |
| WO2016023462A1 (en) * | 2014-08-15 | 2016-02-18 | 中交第二航务工程局有限公司 | Glued joint connecting method for steel-concrete composite beam of cable-stayed bridge |
| CN209368686U (en) * | 2018-12-08 | 2019-09-10 | 中建五局土木工程有限公司 | A kind of wet seam mortar leakage prevention of precast beam quickly pacifies demoulding system |
| CN210150645U (en) * | 2019-06-19 | 2020-03-17 | 中国建筑土木建设有限公司 | Wet seam construction formwork lifting device of bridge |
| CN111731988A (en) * | 2020-07-07 | 2020-10-02 | 中国建筑第四工程局有限公司 | Lifting installation method and device for T-beam wet joint template |
-
2021
- 2021-05-31 CN CN202110598576.2A patent/CN113336087A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203768803U (en) * | 2014-04-10 | 2014-08-13 | 中核华泰建设有限公司 | Bridge wet joint formwork lifting device |
| WO2016023462A1 (en) * | 2014-08-15 | 2016-02-18 | 中交第二航务工程局有限公司 | Glued joint connecting method for steel-concrete composite beam of cable-stayed bridge |
| CN209368686U (en) * | 2018-12-08 | 2019-09-10 | 中建五局土木工程有限公司 | A kind of wet seam mortar leakage prevention of precast beam quickly pacifies demoulding system |
| CN210150645U (en) * | 2019-06-19 | 2020-03-17 | 中国建筑土木建设有限公司 | Wet seam construction formwork lifting device of bridge |
| CN111731988A (en) * | 2020-07-07 | 2020-10-02 | 中国建筑第四工程局有限公司 | Lifting installation method and device for T-beam wet joint template |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210903 |
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| RJ01 | Rejection of invention patent application after publication |